Alternator and Battery problem

Question by ofe posted 6 months 2 weeks ago in Mercedes-Benz

I want to replace the alternator in my C200K sport coupe, Mercedes Benz (model 2001) I don't know whether is socket or bolt type, inorder not to a wrong one.
2, What type of battery can I buy,I have made findings on Otral Battery ,is it a good choice?

Thanks for your quick response,